Head to head
Ifor Williams CT136HD vs Ifor Williams HB506
The Ifor Williams CT136HD is 410kg lighter empty and is 84cm (3ft) longer inside.
Last reviewed 13 September 2026
Key differences
- Unladen weight: the Ifor Williams HB506 weighs 410kg more empty.
- Internal length: the Ifor Williams CT136HD is 84cm (3ft) longer inside.
- Internal width: the Ifor Williams CT136HD is 17cm wider inside.
Specifications side by side
| Ifor Williams CT136HD | Ifor Williams HB506 | |
|---|---|---|
| Gross weight | 2,600kg | 2,600kg |
| Unladen weight | 510kg | 920kg |
| Internal length | 4.0m | 3.16m |
| Internal width | 1.84m | 1.67m |
| Brakes | - | Braked |
Sources: Ifor Williams CT136HD, Ifor Williams HB506. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the CT136HD if...
- you want one that is 410kg lighter empty
- you want one that is 84cm (3ft) longer inside
- you want one that is 17cm wider inside
The CT136HD suits recovery operators, racers and dealers who need a tougher car transporter than the standard CT136, thanks to its heavy-duty beam axles and multi-leaf suspension. Its 4.0m bed and 2.6 tonne gross weight cover most road cars without the cost of a beavertail trailer.
Listed by
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
- Shropshire Trailer Hire - Shrewsbury, Bicton
Buy or hire the HB506 if...
The mainstream two-horse trailer in Britain, used by private owners and small yards. Its comparatively low unladen weight for the class is the practical point: it widens the range of 4x4s and large SUVs that can legally and comfortably tow it.
Listed by
- Blains Trailers & Tyres - Hemel Hempstead, Great Gaddesden
- Barnwell Trailers Ltd - Peterborough, Oundle, Barnwell
- Horse Trailer Sales - Robertsbridge, Staplecross
- R M Trailer Centre - Middlesbrough, North Ormesby
Common questions
What is the difference between the Ifor Williams CT136HD and the Ifor Williams HB506?
The Ifor Williams CT136HD is 410kg lighter empty and is 84cm (3ft) longer inside. The Ifor Williams CT136HD is a ifor Williams' heavy-duty twin-axle car transporter trailer in the CT136 range, built for moving a single vehicle.; the Ifor Williams HB506 is a two-horse trailer, twin axle.
Which is lighter, the Ifor Williams CT136HD or the Ifor Williams HB506?
The Ifor Williams CT136HD. It is 410kg lighter empty than the Ifor Williams HB506.
Can I tow the Ifor Williams CT136HD or the Ifor Williams HB506 on a car licence?
Yes, as far as the licence goes. Both are rated at or under 3,500kg gross, and a car (B) licence has covered towing up to 3,500kg since 16 December 2021. Your car still has to be rated to tow the loaded weight - check the handbook or the VIN plate.
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